ES2335974T3 - CATETER WITH BALLOON AND MANUFACTURING PROCEDURE OF THE SAME. - Google Patents

CATETER WITH BALLOON AND MANUFACTURING PROCEDURE OF THE SAME. Download PDF

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Publication number
ES2335974T3
ES2335974T3 ES02076820T ES02076820T ES2335974T3 ES 2335974 T3 ES2335974 T3 ES 2335974T3 ES 02076820 T ES02076820 T ES 02076820T ES 02076820 T ES02076820 T ES 02076820T ES 2335974 T3 ES2335974 T3 ES 2335974T3
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Spain
Prior art keywords
balloon
globe
stent
catheter
relief structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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ES02076820T
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Spanish (es)
Inventor
Hendrik Jozef Maria Meens
Erik Trip
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CR Bard Inc
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CR Bard Inc
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Publication date
Priority claimed from NL1018018A external-priority patent/NL1018018C2/en
Application filed by CR Bard Inc filed Critical CR Bard Inc
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/958—Inflatable balloons for placing stents or stent-grafts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M25/1002—Balloon catheters characterised by balloon shape
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M25/1027—Making of balloon catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M25/1027—Making of balloon catheters
    • A61M25/1038—Wrapping or folding devices for use with balloon catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/958—Inflatable balloons for placing stents or stent-grafts
    • A61F2002/9583—Means for holding the stent on the balloon, e.g. using protrusions, adhesives or an outer sleeve
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M25/1027—Making of balloon catheters
    • A61M25/1029—Production methods of the balloon members, e.g. blow-moulding, extruding, deposition or by wrapping a plurality of layers of balloon material around a mandril
    • A61M2025/1031—Surface processing of balloon members, e.g. coating or deposition; Mounting additional parts onto the balloon member's surface
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M2025/1043—Balloon catheters with special features or adapted for special applications
    • A61M2025/1086—Balloon catheters with special features or adapted for special applications having a special balloon surface topography, e.g. pores, protuberances, spikes or grooves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Child & Adolescent Psychology (AREA)
  • Biophysics (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Vascular Medicine (AREA)
  • Transplantation (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Cardiology (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Materials For Medical Uses (AREA)

Abstract

The balloon catheter comprise an inflatable balloon (2) with ends (3) attached to it's catheter tube (1). In an uninflated state the outside surface of the balloon (2) is provided with a relief structure (4), which is disappeared in an inflated state of the balloon (2). The relief structure (4) comprises grooves (5) that extends at least in the longitudinal direction of the balloon (2). An Independent claim is included for a method of manufacturing a balloon catheter.

Description

Catéter con globo y procedimiento de fabricación del mismo.Balloon catheter and manufacturing procedure of the same.

La presente invención se refiere a un procedimiento de fabricación de un catéter con globo con una endoprótesis vascular.The present invention relates to a manufacturing procedure of a balloon catheter with a vascular stent.

Un procedimiento de acuerdo con el preámbulo de la reivindicación 1 se conoce a partir del documento FR-A-2 753 907.A procedure in accordance with the preamble of claim 1 is known from the document FR-A-2 753 907.

Los catéteres con globo, que comprenden un tubo de catéter, un globo inflable el cual, en sus extremos, está fijado al tubo de catéter y una endoprótesis vascular fijada alrededor del globo, extendiéndose la endoprótesis vascular, al menos en parte, a lo largo de la extensión del globo, son ampliamente conocidos y se utilizan para dilatar vasos y luces y para colocar la endoprótesis vascular dentro del vaso o luz dilatado. Con el fin de hacer pasar el catéter con globo de manera fácil y segura a través de los vasos de las luces y para situarlo en el emplazamiento requerido donde se proceda a su dilatación, es importante que el catéter con globo tenga un perfil pequeño (diámetro exterior) y sea suficientemente flexible.Balloon catheters, which comprise a tube catheter, an inflatable balloon which, at its ends, is fixed to the catheter tube and a stent fixed around the balloon, extending the stent, at least in part, to along the length of the globe, they are widely known and are used to dilate vessels and lights and to place the stent vascular inside the vessel or dilated light. In order to make pass the balloon catheter easily and safely through the vessels of the lights and to place it in the required location where proceed to dilation, it is important that the balloon catheter have a small profile (outside diameter) and be sufficiently flexible.

El objetivo es, por consiguiente, proporcionar un procedimiento de fabricación de un catéter con globo con una endoprótesis vascular que ofrezca características mejoradas.The objective is therefore to provide a manufacturing process of a balloon catheter with a stent that offers improved features.

El procedimiento de fabricación de un catéter con globo de acuerdo con la invención comprende la fijación de los extremos de un globo inflable a un tubo de catéter, la fijación de una endoprótesis vascular alrededor del globo, por medio de lo cual al menos la superficie exterior del globo no cubierta por la endoprótesis vascular está provista de una estructura en relieve, caracterizado por el enrollamiento de un hilo alrededor de la superficie exterior del globo en una dirección que ofrece un componente transversal respecto de un eje longitudinal del globo; la elevación de la presión interna del globo, y el calentamiento del globo de tal manera que, en estado desinflado, el globo presenta al menos un surco con un componente direccional que es transversal al eje longitudinal del globo, en el que el al menos un surco sustancialmente desaparece cuando el globo está en estado inflado.The manufacturing procedure of a catheter with balloon according to the invention comprises fixing the ends of an inflatable balloon to a catheter tube, fixing a stent around the globe, whereby at least the outer surface of the globe not covered by the Stent stent is provided with a relief structure, characterized by winding a thread around the outer surface of the globe in a direction that offers a transverse component with respect to a longitudinal axis of the globe; the elevation of the internal pressure of the balloon, and the heating of the balloon in such a way that, in a deflated state, the balloon presents the minus a groove with a directional component that is transverse to the longitudinal axis of the globe, in which the at least one groove substantially disappears when the balloon is in state inflated.

Con este simple y barato procedimiento se consigue un catéter con globo mejorado. El enrollamiento de un hilo alrededor de la superficie exterior del globo en una dirección con un componente transversal respecto del eje longitudinal del globo se traduce en un surco situado en la superficie exterior del globo. Las pruebas han demostrado que con dicho surco se obtiene un catéter que es más flexible que un catéter con globo estándar. El surco que se extiende al menos transversalmente en la dirección longitudinal del globo otorga al catéter la flexibilidad requerida en una dirección transversal respecto de su dirección longitudinal. El catéter con globo de acuerdo con la invención puede, por consiguiente, introducirse de manera más fácil y segura a través de vasos y luces hasta el punto de dilatación. Debido a su flexibilidad, el catéter podrá adaptarse mejor a un recodo existente en un vaso o en una luz, reduciendo de esta forma el riesgo de daños al vaso o a la luz.With this simple and cheap procedure you Get an improved balloon catheter. The winding of a thread around the outer surface of the globe in a direction with a transverse component with respect to the longitudinal axis of the globe It translates into a groove located on the outer surface of the globe. Tests have shown that with this groove you get a catheter that is more flexible than a standard balloon catheter. He groove that extends at least transversely in the direction Longitudinal balloon gives the catheter the required flexibility in a transverse direction with respect to its longitudinal direction. The balloon catheter according to the invention can, by consequently, enter more easily and safely through glasses and lights to the point of expansion. Because of his flexibility, the catheter can be better adapted to a bend existing in a glass or in a light, thus reducing the risk of damage to the glass or light.

De acuerdo con una primera forma de realización, en primer término la superficie exterior del globo es dotada de una estructura en relieve y, a continuación, la endoprótesis vascular es fijada alrededor del globo. Una ventaja adicional es que se consigue una mejor fijación de la endoprótesis vascular al globo. La mejora en la fijación se debe al relieve, que hace que la superficie lisa habitual del globo sea "áspera". La endoprótesis vascular se adhiere mejor a esta superficie áspera.According to a first embodiment, first, the outer surface of the globe is endowed with a embossed structure and then the stent is fixed around the globe. An additional advantage is that it Get a better fixation of the stent to the balloon. The Improvement in fixation is due to the relief, which makes the usual smooth surface of the globe is "rough." The vascular stent adheres better to this surface rough.

De acuerdo con una segunda forma de realización, la endoprótesis vascular se fija primeramente al globo y, a continuación, se dota a la superficie exterior de la estructura en relieve. Se consigue un sistema de fijación de la endoprótesis vascular más flexible porque, al menos, el material del globo situado dentro de la endoprótesis vascular, tanto en dirección distal como proximal, está provista de un perfil. Así mismo, el sistema de colocación de la endoprótesis vascular ha conseguido un perfil menor en comparación con los sistemas de colocación de endoprótesis vasculares conocidos.According to a second embodiment, the stent is fixed first to the globe and, to then the outer surface of the structure is provided in relief. A stent fixation system is achieved more flexible vascular because at least the balloon material located inside the stent, both in the direction distal as proximal, it is provided with a profile. Also, the vascular stent placement system has achieved a lower profile compared to the placement systems of known stents.

El surco se extiende, de modo preferente, en un ángulo predeterminado con respecto a la dirección longitudinal del globo. Aunque, de acuerdo con una forma de realización preferente, el surco se extiende helicoidalmente desde un extremo al otro extremo del globo sobre su superficie exterior.The groove extends preferably in a predetermined angle with respect to the longitudinal direction of the balloon. Although, according to a preferred embodiment, the groove extends helically from one end to the other end of the globe on its outer surface.

De acuerdo con otra forma de realización, la estructura en relieve comprende dos o más surcos que se extienden helicoidalmente desde un extremo al otro extremo del globo, cruzándose entre sí. Las pruebas han demostrado que con dicha estructura en relieve se obtiene un catéter con globo muy flexible, el cual tiene así mismo un perfil relativamente bajo.According to another embodiment, the relief structure comprises two or more grooves that extend helically from one end to the other end of the globe, crossing each other. Tests have shown that with such embossed structure you get a very flexible balloon catheter, which also has a relatively low profile.

La invención se explica con mayor detalle sobre la base de los dibujos adjuntos. Los dibujos muestran:The invention is explained in more detail about The basis of the attached drawings. The drawings show:

La Figura 1A es una vista lateral de una forma de un catéter con globo en un estado desinflado;Figure 1A is a side view of a shape of a balloon catheter in a deflated state;

la Figura 1B es una vista lateral del catéter de la Figura 1A en un estado inflado;Figure 1B is a side view of the catheter of Figure 1A in an inflated state;

la Figura 2A es una vista lateral de una segunda forma de realización del catéter con globo durante la ejecución del procedimiento de acuerdo con la invención; yFigure 2A is a side view of a second embodiment of the balloon catheter during the execution of the method according to the invention; Y

la Figura 2B es una vista lateral del producto final de la Figura 2A.Figure 2B is a side view of the product end of Figure 2A.

Un catéter con globo comprende un tubo de catéter 1, un globo inflable 2, el cual en sus extremos 3 está fijado al tubo de catéter 1 y una endoprótesis vascular 6 fijada alrededor del globo 2. La endoprótesis vascular 6 se extiende parcialmente a lo largo de la extensión del globo 2, de tal manera que, con el catéter situado tanto distal como proximalmente a continuación de la endoprótesis vascular 6, el material de globo se extiende libremente. En estado desinflado (Figura 1A), la superficie exterior del globo 2 tiene una estructura en relieve 4 que, en el estado inflado, ha virtual o completamente desaparecido (Figura 1B). La estructura en relieve 4 otorga al extremo distal del catéter su flexibilidad requerida.A balloon catheter comprises a tube of catheter 1, an inflatable balloon 2, which at its ends 3 is attached to catheter tube 1 and a stent 6 fixed around the globe 2. The stent 6 extends partially along the extent of the balloon 2, in such a way that, with the catheter located both distally and proximally to continuation of the stent 6, the balloon material is Spread freely. In deflated state (Figure 1A), the outer surface of the balloon 2 has a relief structure 4 which, in the inflated state, has virtually or completely disappeared (Figure 1B). The relief structure 4 gives the distal end of the catheter its required flexibility.

En las formas de realización mostradas, la estructura en relieve 4 consiste en dos surcos 5, los cuales se extienden helicoidalmente desde un extremo 3 al otro extremo 3 del globo 2 y se cruzan entre sí. El globo desinflado 2 ha obtenido de esta forma una superficie en relieve almohadillada. Así mismo, es posible dotar a la estructura en relieve de un solo surco 5 conformado de manera helicoidal, por medio de lo cual el globo desinflado 2 presenta una superficie en relieve en forma de hélice. Por supuesto, son posibles otras estructura en relieve, siempre que la estructura en relieve sobre el catéter cree la necesaria flexibilidad en dirección transversal a una dirección longitudinal del globo.In the embodiments shown, the relief structure 4 consists of two grooves 5, which are helically extend from one end 3 to the other end 3 of the balloon 2 and cross each other. The deflated balloon 2 has obtained from this forms a padded embossed surface. That's it possible to provide the relief structure with a single groove 5 helically shaped, whereby the balloon Deflated 2 has a raised surface in the form of a helix. Of course, other relief structures are possible, provided that the relief structure on the catheter creates the necessary flexibility in the transverse direction to a longitudinal direction of the globe.

Una forma de obtener la estructura en relieve, tal y como se muestra en las dibujos, consiste en el enrollamiento de un hilo helicoidalmente alrededor del globo 2. Este hilo puede, por ejemplo, ser un hilo de nailon o un hilo hecho con un material diferente que se contraiga en alguna medida al ser calentado. Después de que el hilo ha sido enrollado alrededor del globo, un manguito es traccionado sobre el globo. A continuación, con la aplicación de la presión elevada al interior del globo, el globo es calentado de tal manera que, en estado desinflado, el globo obtiene la estructura en relieve que, tras la dilatación del globo en el emplazamiento en la dilatación dentro del vaso o la luz, virtual o completamente desaparecerá. El manguito es a continuación retirado y el catéter con globo puede ser insertado dentro de un vaso o una luz.One way to get the relief structure, as shown in the drawings, it consists of curl of a thread helically around the globe 2. This thread can, for example, be a nylon thread or a thread made with a material different from contracting to some extent when heated. After the thread has been wrapped around the globe, a sleeve is pulled over the globe. Then with the application of the elevated pressure inside the balloon, the balloon is heated in such a way that, in a deflated state, the balloon gets the relief structure that, after dilation of the globe in the location in the dilation within the vessel or the light, virtual or It will completely disappear. The sleeve is then removed and the balloon catheter can be inserted into a glass or a light.

El procedimiento de acuerdo con la invención puede ser llevado a cabo de dos maneras. En la primera, el perfil es primeramente aplicado al globo mediante el enrollamiento de éste con el hilo y calentándolo bajo presión interna, y a continuación la endoprótesis vascular es situada sobre el globo. Esto se traduce en una flexibilidad y una maniobrabilidad mejoradas de la parte distal del catéter. También se consigue una mejora fijación de la endoprótesis vascular sobre la superficie perfilada, "áspera" del globo. En la segunda manera, una endoprótesis vascular es primeramente colocada sobre el globo y a continuación la parte distal completa del catéter, es decir, el globo que incluye la endoprótesis vascular que ha sido colocada en posición, es enrollada con hilo, de modo preferente hilo de nailon. A continuación, todo el conjunto es calentado a una determinada presión interna. El enrollamiento produce un perfil helicoidal en el material de globo situado inmediatamente a continuación de la endoprótesis vascular. Al mismo tiempo el diámetro del catéter con la endoprótesis vascular se reduce porque el hilo de nailon se encoge con el calentamiento. En una variante de este último procedimiento, en primer lugar un material de relleno 8 es situado a continuación de la endoprótesis vascular, sobre la cual el hilo es a continuación también enrollado (véase la Fig 2A). Al final ello da como resultado un pequeño incremento 7 en el material de globo situado a continuación de la endoprótesis 6 vascular (véase la Fig. 2B), dentro del cual los extremos de la endoprótesis vascular 6 pueden ser presionados. Como resultado de ello, los extremos de la endoprótesis vascular 6 son mejor proyectados si el sistema de colocación de la endoprótesis vascular pasa por dentro de una trayectoria en curva.The process according to the invention It can be carried out in two ways. In the first, the profile It is first applied to the balloon by winding it with the thread and heating it under internal pressure, and then The stent is placed on the globe. This translates in improved flexibility and maneuverability of the part catheter distal. An improved fixation of the stent on the profiled surface, "rough" of the globe. In the second way, a stent is first placed on the globe and then the part complete distal catheter, that is, the balloon that includes the stent that has been placed in position, is rolled with thread, preferably nylon thread. Then all The assembly is heated to a certain internal pressure. He curl produces a helical profile in the balloon material located immediately after the stent. At the same time the diameter of the catheter with the stent It is reduced because the nylon thread shrinks with heating. In a variant of this last procedure, first a filling material 8 is located next to the stent vascular, on which the thread is then also wound (see Fig 2A). In the end it results in a small increase 7 in the balloon material located after the vascular stent 6 (see Fig. 2B), within which the Ends of the stent 6 can be pressed. How As a result, the ends of the stent 6 are better projected if the stent placement system Vascular passes through a curved path.

En lugar del enrollamiento del hilo, el globo puede ser colocado dentro de un molde, al que se dota de la pauta en relieve requerida, con el fin de que tenga, bajo las presión y temperatura elevadas, la estructura en relieve requerida.Instead of winding the thread, the balloon It can be placed inside a mold, which is endowed with the pattern required relief, in order to have, under pressure and high temperature, the relief structure required.

Nótese que, aunque no se muestra en los dibujos, es posible dotar a la superficie exterior del globo de varios surcos helicoidales que se crucen entre sí. Además de los surcos helicoidales, también son posibles surcos con otras formas.Note that, although it is not shown in the drawings, it is possible to provide the outer surface of the globe with several helical grooves that cross each other. In addition to the grooves helical, grooves with other shapes are also possible.

El catéter con globo puede ser utilizado no solo en intervenciones cardiológicas sino también radiológicas.The balloon catheter can be used not only in cardiological but also radiological interventions.

Claims (5)

1. Procedimiento de fabricación de un catéter con globo, comprendiendo el procedimiento:1. Method of manufacturing a catheter with balloon, including the procedure:
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la fijación de los extremos de un globo inflable a un tubo de catéterthe fixing the ends of an inflatable balloon to a tube catheter
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la fijación de una endoprótesis vascular alrededor del globo, por medio de lo cual al menos la superficie exterior del globo no cubierta por la endoprótesis vascular está provista de una estructura en relieve, caracterizado porthe fixation of a stent around the globe, whereby at least the outer surface of the balloon not covered by the stent is provided with a relief structure, characterized by
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el enrollamiento de un hilo alrededor de la superficie exterior del globo (2) en una dirección que presenta un componente transversal a un eje longitudinal del globo (2);he winding a thread around the outer surface of the balloon (2) in a direction that has a transverse component to a longitudinal axis of the globe (2);
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la elevación de la presión interna del globo (2),the elevation of the internal pressure of the balloon (2),
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el calentamiento del globo (2) de tal forma que, en estado desinflado, el globo (2) que tiene al menos un surco (5) presenta un componente direccional que es transversal al eje longitudinal del globo (2), en el que al menos un surco (5) sustancialmente desaparece cuando el globo (2) está en estado inflado.he heating the balloon (2) in such a way that, in a deflated state, the balloon (2) that has at least one groove (5) has a component directional that is transverse to the longitudinal axis of the globe (2), in the one that at least one groove (5) substantially disappears when the Balloon (2) is in inflated state. 
         \vskip1.000000\baselineskip\ vskip1.000000 \ baselineskip
2. Procedimiento de acuerdo con la reivindicación 1, por medio del cual, en primer lugar, se dota a la superficie exterior del globo de una estructura en relieve y, a continuación, la endoprótesis vascular es aplicada alrededor del globo.2. Procedure in accordance with the claim 1, by means of which, first, the outer surface of the globe of a relief structure and, to then the stent is applied around the balloon. 3. Procedimiento de acuerdo con la reivindicación 1, por medio del cual, en primer lugar, la endoprótesis vascular se fija alrededor del globo y, a continuación, se dota a la superficie exterior del globo de la estructura en relieve.3. Procedure in accordance with the claim 1, whereby, first, the stent is fixed around the globe and, at then, the outer surface of the globe of the relief structure. 4. Procedimiento de acuerdo con la reivindicación 3, por medio del cual, antes de que se dote a la superficie exterior del globo de la estructura en relieve, en sentido lateral respecto de la endoprótesis vascular, un almohadillado es aplicado sobre el globo y la endoprótesis vascular.4. Procedure in accordance with the claim 3, whereby, before the endowment of the outer surface of the globe of the relief structure, in lateral sense with respect to the stent, a padding is applied over the balloon and stent vascular. 5. Procedimiento de acuerdo con una de las reivindicaciones 1 a 4, que comprende así mismo:5. Procedure according to one of the claims 1 to 4, which also comprises:
--
el repliegue del globo (2) de una manera que reduce el perfil del globo (2) antes del enrollamiento del hilo alrededor de su superficie exterior.he balloon folding (2) in a way that reduces the profile of the balloon (2) before winding the thread around its surface Exterior.
ES02076820T 2001-05-08 2002-05-07 CATETER WITH BALLOON AND MANUFACTURING PROCEDURE OF THE SAME. Expired - Lifetime ES2335974T3 (en)

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NL1018018 2001-05-08
NL1018018A NL1018018C2 (en) 2001-05-08 2001-05-08 Balloon catheter and method for manufacturing thereof.
NL1018881 2001-09-04
NL1018881A NL1018881C2 (en) 2001-05-08 2001-09-04 Balloon catheter for dilating vessels and lumina comprise inflatable balloon with ends attached to it's catheter tube

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ATE454184T1 (en) 2010-01-15
EP1270040A1 (en) 2003-01-02
EP1270040B1 (en) 2010-01-06
US8257418B2 (en) 2012-09-04
US8784470B2 (en) 2014-07-22
US20030014100A1 (en) 2003-01-16
JP3975114B2 (en) 2007-09-12
NL1018881C2 (en) 2002-11-25
DE60234979D1 (en) 2010-02-25
US9993359B2 (en) 2018-06-12
JP2002360701A (en) 2002-12-17
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US20140303707A1 (en) 2014-10-09
US20070112408A1 (en) 2007-05-17

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